lecture

lecture

Postcard from Stefan Błachowski written 16.05.n/d

Letter to Kazimierz Ajdukiewicz written 15.03.1956

Lecture of Roman Ingarden on 14th International Congress of Philosophy 02.09.1968 – 09.09.1968

Letter to the Polish Academy of Science written 24.10.1963

Letter from Tadeusz Czeżowski written 13.12.1956

Letter from Tadeusz Czeżowski written 09.04.1966

Letter from Tadeusz Kotarbiński written 18.11.1934

Letter from Anna Teresa Tymieniecka written 30.09.1968

Letter from Kazimierz Ajdukiewicz written 06.06.1923

Letter from Maria Gołaszewska written 22.05.1966

Postcard from Stanisław Ignacy Witkiewicz written 17.09.1937

Letter to the Polish Academy of Science written 15.09.1964